One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,6)(7,8)(10,15)(11,16)(12,13)(17,18,22,26)(19,27,30,31)(20,24,21,25)(23,29,32,28)(1,2,4,5)(3,6,7,8)(9,10)(11,12)(13,15)(14,16)(17,19)(18,23)(20,28)(21,29)(22,30)(24,31)(25,27)(26,32)(1,3)(2,6)(4,7)(5,8)(9,11,14,15)(10,12,16,13)(17,20,22,21)(18,24,26,25)(19,28,30,29)(23,31,32,27)(17,20,22,21)(18,25,26,24)(19,29,30,28)(23,31,32,27)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.